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Merge branch 'feat/p4_rev3_isp_blc' into 'master'

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isp: black level correction driver support on p4 eco5

Closes IDF-13931

See merge request espressif/esp-idf!41714
This commit is contained in:
Armando (Dou Yiwen)
2025-09-24 01:10:40 +00:00
parent 8bb5f0292a 7a58274c73
commit e13699a652
15 changed files with 516 additions and 16 deletions
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1
examples/peripherals/isp/multi_pipelines/README.md
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@@ -10,6 +10,7 @@ This example demonstrates how to use the ISP (image signal processor) to work wi
- ISP AF (auto-focus) feature
- ISP BF (bayer denoise) feature
- ISP BLC (black level correction) feature
- ISP Sharpen feature
- ISP Demosaic feature
- ISP GAMMA feature

43
examples/peripherals/isp/multi_pipelines/main/isp_dsi_main.c
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@@ -303,6 +303,49 @@ void app_main(void)
ESP_ERROR_CHECK(esp_isp_bf_configure(isp_proc, &bf_config));
ESP_ERROR_CHECK(esp_isp_bf_enable(isp_proc));
#if CONFIG_ESP32P4_REV_MIN_FULL >= 300
/**
* This piece of BLC code is to show how to use the BLC related APIs.
* Suggested way to calibrate the BLC is by covering the lens and record the raw data.
* Then, use the recorded data to calibrate the BLC.
*/
esp_isp_blc_config_t blc_config = {
.window = {
.top_left = {
.x = 0,
.y = 0,
},
.btm_right = {
.x = CONFIG_EXAMPLE_MIPI_CSI_DISP_HRES,
.y = CONFIG_EXAMPLE_MIPI_CSI_DISP_VRES,
},
},
.filter_enable = true,
.filter_threshold = {
.top_left_chan_thresh = 128,
.top_right_chan_thresh = 128,
.bottom_left_chan_thresh = 128,
.bottom_right_chan_thresh = 128,
},
.stretch = {
.top_left_chan_stretch_en = true,
.top_right_chan_stretch_en = true,
.bottom_left_chan_stretch_en = true,
.bottom_right_chan_stretch_en = true,
},
};
ESP_ERROR_CHECK(esp_isp_blc_configure(isp_proc, &blc_config));
ESP_ERROR_CHECK(esp_isp_blc_enable(isp_proc));
esp_isp_blc_offset_t blc_offset = {
.top_left_chan_offset = 20,
.top_right_chan_offset = 20,
.bottom_left_chan_offset = 20,
.bottom_right_chan_offset = 20,
};
ESP_ERROR_CHECK(esp_isp_blc_set_correction_offset(isp_proc, &blc_offset));
#endif
esp_isp_demosaic_config_t demosaic_config = {
.grad_ratio = {
.integer = 2,